Finding the Fourth Proportional to 68,026.23, 102,016.67 and 28,575.99
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Solution
The fourth proportional to 68,026.23, 102,016.67 and 28,575.99 is: 42,854.46
Step by Step Solution
- Step 1: Write the proportion equation
68,026.23 : 102,016.67 = 28,575.99 : x - Step 2: Convert to fraction form
68,026.23/102,016.67 = 28,575.99/x - Step 3: Cross multiply
68,026.23x = 102,016.67 × 28,575.99 - Step 4: Simplify right side
68,026.23x = 2,915,227,198.87 - Step 5: Solve for x
x = 2,915,227,198.87/68,026.23 - Step 6: Final answer
x = 42,854.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.